ANTI-POLLUTION CONTAINER AND ANTI-POLLUTION LIQUID PUMP THEREOF

WIPO Patent Application WO/2022/052463

A1

An anti-pollution container (1000) and an anti-pollution liquid pump (100) thereof. The anti-pollution liquid pump (100) comprises a pump main body (10), a moving flow leading member (20), and an anti-pollution cap (40). The moving flow leading member (20) is movably provided on the pump main body (10) in a manner in which an outer assembling wall (210) is opposite to an inner assembling wall (110) of the pump main body (10); the anti-pollution cap (40) is provided with a pressing liquid output portion (41) and a pollutant blocking portion (43); the pollutant blocking portion (43) extends downwards from the pressing liquid output portion (41), and an anti-pollution space (402) having a downward opening is formed between the pressing liquid output portion (41) and the pollutant blocking portion (43); the anti-pollution cap (40) is provided above the moving flow leading member (20); an opening of a moving gap (202) formed between the outer assembling wall (210) of the moving flow leading member (20) and the inner assembling wall (110) of the pump main body (10) is hidden in the anti-pollution space (402) of the anti-pollution cap (40), so that external liquid is prevented from entering the pump main body from the moving gap (202) between the moving flow leading member (20) and the pump main body (10).

TANG KEFENG (CN)

PCT/CN2021/087105

March 17, 2022

April 14, 2021

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YUYAO GREENYARD TOOLS CO LTD (CN)

B65D47/34; B65D83/16

CN1233579A	1999-11-03
CN1854027A	2006-11-01
CN1138844A	1996-12-25
FR3011830A1	2015-04-17

NINGBO RAYMOND IP AGENCY FIRM (CN)

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